Don't know if someone already posted this but...
"Genoa's Pietro Pellegri became the youngest player to make his debut in Serie A at just 15, and, with a goal against Roma on the final day of the season, he is the league's third-youngest scorer. That strike came 24 hours after Juventus striker Moise Kean etched his name into the record books by becoming the first player born this century to score in Europe's top five leagues."